remove unused interface ResourceHandler

com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/ResourceHandler.java

-/*
- * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.truffle.r.runtime;
-
-import java.io.*;
-
-/**
- * Abstracts the mechanism for accessing resources in the sense of
- * {@link java.lang.Class#getResource(String)}, for environments that might not support that
- * functionality.
- */
-public interface ResourceHandler {
-    /**
-     * See {@link java.lang.Class#getResource(String)}.
-     * 
-     * @return The path component of the {@link java.net URL} returned by
-     *         {@link java.lang.Class#getResource(String)}
-     */
-    String getResourcePath(Class<?> accessor, String name);
-
-    /**
-     * See {@link java.lang.Class#getResourceAsStream(String)}.
-     */
-    InputStream getResourceAsStream(Class<?> accessor, String name);
-}